Ribbon pen



FIG. 1 is a perspective view of a first embodiment of a ribbon pen showing our new design;

FIG. 2 is a front view thereof;

FIG. 3. is a rear view thereof;

FIG. 4. is a left side view thereof;

FIG. 5. is a right side view thereof;

FIG. 6. is a top view thereof; and,

FIG. 7. is a bottom view thereof.

The broken away symbols in the drawings indicate the appearance of any portion of the article between the break lines forms no part of the claimed design. showing our new design; 

CLAIM The ornamental design for a ribbon pen, as shown and described. 